Home / 312,770,128.71-466,391,833.52-309,962,843.53

Finding the Fourth Proportional to 312,770,128.71, 466,391,833.52 and 309,962,843.53

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Solution

The fourth proportional to 312,770,128.71, 466,391,833.52 and 309,962,843.53 is: 462,205,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,770,128.71 : 466,391,833.52 = 309,962,843.53 : x
  2. Step 2: Convert to fraction form
    312,770,128.71/466,391,833.52 = 309,962,843.53/x
  3. Step 3: Cross multiply
    312,770,128.71x = 466,391,833.52 × 309,962,843.53
  4. Step 4: Simplify right side
    312,770,128.71x = 144,564,138,919,343,840
  5. Step 5: Solve for x
    x = 144,564,138,919,343,840/312,770,128.71
  6. Step 6: Final answer
    x = 462,205,708.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.